8502081408 has 240 divisors, whose sum is σ = 26047791000. Its totient is φ = 2752828416.

The previous prime is 8502081383. The next prime is 8502081431. The reversal of 8502081408 is 8041802058.

8502081408 is a `hidden beast` number, since 8 + 502 + 0 + 8 + 140 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14193493 + ... + 14194091.

Almost surely, 2^8502081408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8502081408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13023895500).

8502081408 is an abundant number, since it is smaller than the sum of its proper divisors (17545709592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8502081408 is an equidigital number, since it uses as much as digits as its factorization.

8502081408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 8502081408 is about 92206.7319017435. The cubic root of 8502081408 is about 2040.9941175515.

The spelling of 8502081408 in words is "eight billion, five hundred two million, eighty-one thousand, four hundred eight".